Polyethylene Terephthalate - PET 45% Glass Fibre Reinforced

Sep 4 2001

Polymer Type

Thermoplastic

Advantages

Very high flexural modulus, tensile strength, notched izod impact strength, maximum operating temperature, heat distortion temperature and low mould shrinkage compared with unmodified PET.

Disadvantages

Significantly reduced elongation at break compared with unmodified PET. Incorporation of glass fibres can cause anisotropy in mouldings.

Typical Properties

Property

Value

Density (g/cm3)

1.69

Surface Hardness

RM100

Tensile Strength (MPa)

193

Flexural Modulus (GPa)

13.8

Notched Izod (kJ/m)

0.12

Linear Expansion  (/°C x 10-5)

2.4

Elongation at Break (%)

2

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

140

Water Absorption (%)

0.04

Oxygen Index (%)

20

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

13

Dielectric Strength (MV/m)

21

Dissipation Factor 1kHz

0.005

Dielectric Constant  1kHz

4.0

HDT @ 0.45 MPa (°C)

245

HDT @ 1.80 MPa (°C)

226

Material. Drying  hrs @ (°C)

2 @130

Melting Temp. Range (°C)

290 - 300

Mould Shrinkage (%)

0.5

Mould Temp. Range (°C)

90 - 110

Applications

Parts for cookers, domestic light fittings etc, where retention of physical properties and colour is important. Gears and sprockets, housings and casings.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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